| Voice Control Detect whether doors and windows are closed via voice commands with Alexa, Google Assistant, SmartThings. |
| Hub Required Paired with compatible smart hubs like Sengled Smart Hub or 3rd-party hubs like Echo. Hub sold separately. |
| Zigbee Supports Add up to 64 sensors or devices with one hub. Connect via Ethernet, not limited by Wi-Fi. Strong signal and stability. |
| Real-Time Alerts Trigger other devices, receive real-time alerts. Simple setup, battery-operated. Control and customize through Sengled Home App. |
| Easy to Install Follow in-app guide, peel adhesive backing, and stick to any door or window frame. Quick and hassle-free installation.
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| Long-Lasting Up to 6 years of continuous operation with CR2 battery. Dependable and worry-free.
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